auxiliary battery location MERCEDES-BENZ E-CLASS SALOON 2022 Owners Manual

R
If leaving theve hicle idle for lengt hyperiods of
time avoid, if possible, high ambient temp era-
tures.
R Check the high-voltage battery's charge level
ev ery six weeks (/ page 212).
R Char gethe high-voltage battery if thech arge
le ve l is below 20%.
R Do not disconnect the 12 V battery even if the
ve hicle is leT idle for a lengt hyperiod. Other-
wise, the condition of theve hicle's high- volt-
age battery cannot be monitored.
Yo u can contribute toreducing theve hicle's
ene rgy consum ption in thefo llowing ways:
R An anticipatory driving style (/ page 179)
R Reduced use of electrical consumers
R Having theve hicle regula rly main tained
Char
Char ging op
ging op tions f
tions for t
or the high-v
he high-v olt
oltag
age batt
e batt ery
ery
(mode 2 and 3)
(mode 2 and 3)
The high-voltage battery will be charge dby recu-
peration while you are driving. The electric mo tor
ser ves as an alternator when in overrun mode and
during braking. Yo
u ha vethefo llowing options tocharge while
stationar y:
R Ata mains soc ket (mode 2)
R Atawa llbox or charging station (mode 3)
Depending on the count ry-speci/c vehicle equip-
ment and your vehicle's charging cable, single
phase ACcharging is also possible.
Obser vethe di.erent grid requ irements of your
cur rent location when charging. Only use charging
cables which conform tothegr id requiremen ts.
Consult a quali/ed elect rician or your local grid
operator if you ha veany questions.
It is recommended that youch arge the high-volt-
age battery at a wallbox or charging station due to
th e impr ovedch arging per form ance and better
ch arging e1ciency o.ered.
S
S t to
o wing t
wing t he c
he char
harging cable
ging cable
Alw ays st owtheve hicle charging cable in the
ch arging cable bag pr ovided and secure it in the
boot or load compartment of your vehicle.
Otherwise, thech arging cable is not su1ciently
secured. Syst
Syst em limits
em limits
The po wer output of the high-voltage battery may
be impaired bythefo llowing:
R High or low outside temp eratures
R Electrical auxiliary consumers in theve hicle
being switched on, e.g. operating the air con-
ditioning system
R Extended periods without charging
The charging time of the high-voltage battery may
be increased bythefo llowing:
R High or low outside tempe ratures
R Extended periods without charging
R The maximum available charge cur rent of the
ch arging facility
R The charging cur rent set (mode 2) in the multi-
media system (/ page 307) Driving and parking
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201